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Finding the Fourth Proportional to 622,844.20, 933,920.70 and 267,797.80

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Solution

The fourth proportional to 622,844.20, 933,920.70 and 267,797.80 is: 401,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,844.20 : 933,920.70 = 267,797.80 : x
  2. Step 2: Convert to fraction form
    622,844.20/933,920.70 = 267,797.80/x
  3. Step 3: Cross multiply
    622,844.20x = 933,920.70 × 267,797.80
  4. Step 4: Simplify right side
    622,844.20x = 250,101,908,834.46
  5. Step 5: Solve for x
    x = 250,101,908,834.46/622,844.20
  6. Step 6: Final answer
    x = 401,548.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.